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Get started13 Grimstone Road is a three-bedroom semi-detached house in Little Wymondley, Hitchin, Hitchin (SG4 7HH). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (June 2020) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 83), a 3-band jump. Our model identifies extension potential, subject to local planning policy.
At 99 m² it's 23% larger than the typical home in the postcode (81 m² median across 34 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Today's modelled estimate of £437,000 is 28.5% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 23% above the typical sold price in the postcode. Sold August 2020 for £340,000. One historical planning record sits against the property in 2026.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£437,000
Modelled from EPC, postcode comparables.
£340,000
Recorded with HM Land Registry.
13 Grimstone Road is notably below the street on co₂ emissions.
Price per m²
£3,434
Street avg £3,173
Floor Area
99 m²
Street avg 83 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km

Daytime· 07:00 – 23:00
48.7dB

Extension: Single storey · Rear of property
Single storey rear extension and detached office outbuilding following demolition of existing rear conservatory and detached garage. Rear garden patio area (as amended by plans received 9 January 2026).
17 August 2020Most recent
£340,000
Median price across the last 5 sales in SG4 7HH: £405,000 (2025–2022).
23 Grimstone Road Little Wymondley Hitchin
Sold Mar 2025
33 Grimstone Road Little Wymondley Hitchin
Sold Oct 2024
17 Grimstone Road Little Wymondley Hitchin
Sold Oct 2024
19 Grimstone Road Little Wymondley Hitchin
Sold Jul 2024
1 Grimstone Road Little Wymondley Hitchin
Sold Sept 2022
CO₂ Emissions
5.8 t/year
Street avg 3.5 t/year
SG4 7PD
Priory View — bus stop.
Closest school
0.1 km
Wymondley Junior Mixed and Infant School. 12 schools nearby.
Night-time· 23:00 – 07:00
39.6dB
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